If B is the midpoint of AC and AC = 8.1
20. find BC.
Wats the answer to the question

Astudent received the following grades last semester. find the student's semester grade point average. an a is algebra (3 credits), a b in history ( 3 credits), a in sociology ( 3 credits) a d in english ( 3credits) and a c in seminar ( 2credits). an a is worth 4 points, a b is worth 3 points a c is worth 2 points and a d is worth 1 point.

Reflect the point (7,0) across the y-axis

Factor the expression using the gcf. the expression 21m−49n factored using the gcf